Murguia Sanchez, G., Marquez Guzman, J., Laguna Hernandez, G., & Ponce Salazar, M. (1995). Study of fruits and seeds of Ipomoea teotitlanica McPherson (Convolvulaceae). Instituto de Ecología, A.C.
Čikaški stil citiranja (17. izdanje)Murguia Sanchez, Guillermina, Judith Marquez Guzman, Guillermo Laguna Hernandez, i Margarita Ponce Salazar. Study of Fruits and Seeds of Ipomoea Teotitlanica McPherson (Convolvulaceae). Instituto de Ecología, A.C, 1995.
MLA način citiranja (9. izdanje)Murguia Sanchez, Guillermina, et al. Study of Fruits and Seeds of Ipomoea Teotitlanica McPherson (Convolvulaceae). Instituto de Ecología, A.C, 1995.